Well, I feed pretty much every watering, using: aprox. 2tbls of molasses (all of these measurements are per gallon), 15ml of Canna Terra Flores (npk: 2-2-4), and 2tbs of Snow Storm Ultra.
I use tap water left out for 2-3 days, 1.5 gallon per plant. The ph reads about 7.5-8 before adding...